Finding the Fourth Proportional to 512,909,821.08, 707,816,158.20 and 277,960,480.94
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Solution
The fourth proportional to 512,909,821.08, 707,816,158.20 and 277,960,480.94 is: 383,585,791.63
Step by Step Solution
- Step 1: Write the proportion equation
512,909,821.08 : 707,816,158.20 = 277,960,480.94 : x - Step 2: Convert to fraction form
512,909,821.08/707,816,158.20 = 277,960,480.94/x - Step 3: Cross multiply
512,909,821.08x = 707,816,158.20 × 277,960,480.94 - Step 4: Simplify right side
512,909,821.08x = 196,744,919,752,144,672 - Step 5: Solve for x
x = 196,744,919,752,144,672/512,909,821.08 - Step 6: Final answer
x = 383,585,791.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.